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Fig. 2

image

Top panel: median image obtained using monochromatic PCA with one principal component per spectral channel on SPHERE-IRDIS image, showing continuum emission. Contours are also shown. Bottom panel: subtraction of K1–K2 filters. No signal is left. For comparison, the contours used in the top panel are also reported. Solid and dashed lines as in Fig. 1.

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